7078741865 has 8 divisors (see below), whose sum is σ = 9147912648. Its totient is φ = 5227378560.

The previous prime is 7078741861. The next prime is 7078741871. The reversal of 7078741865 is 5681478707.

It can be written as a sum of positive squares in 4 ways, for example, as 403688464 + 6675053401 = 20092^2 + 81701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7078741865 - 2² = 7078741861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7078741861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54451796 + ... + 54451925.

It is an arithmetic number, because the mean of its divisors is an integer number (1143489081).

Almost surely, 2^7078741865 is an apocalyptic number.

It is an amenable number.

7078741865 is a deficient number, since it is larger than the sum of its proper divisors (2069170783).

7078741865 is a wasteful number, since it uses less digits than its factorization.

7078741865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108903739.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The square root of 7078741865 is about 84135.2593447004. The cubic root of 7078741865 is about 1920.0772054639.

The spelling of 7078741865 in words is "seven billion, seventy-eight million, seven hundred forty-one thousand, eight hundred sixty-five".